CN114699720A - Lower limb rehabilitation training device - Google Patents

Abstract

The utility model provides a lower limb rehabilitation training device, which relates to the technical field of rehabilitation training instruments and comprises a main body support, a sliding rail component, a connecting component and a foot support component; the main body support is provided with the sliding rail assembly, and the connecting assembly is arranged on a first sliding rail of the sliding rail assembly, so that a first sliding block of the connecting assembly can be in sliding fit with the first sliding rail, and further, a foot support assembly arranged on a rotating piece of the connecting assembly is driven to slide along the first sliding rail; wherein, rotate and be connected with first slider rotation, and be provided with the locating part on the first slider, the locating part can be with rotating the locking at appointed training position. The device can be driven by the active movement of the patient's joint; the lower limb movement training device can train the active movement of the lower limb of a patient in the sagittal plane direction of the patient and can train the active movement of the lower limb of the patient in the coronal plane direction of the patient.

Description

Lower limb rehabilitation training device

Technical Field

The present disclosure relates to the technical field of rehabilitation training devices, and particularly to a lower limb rehabilitation training device.

Background

Orthopedics postoperative is recovered and is used comparatively extensively at present, and it is continuous Passive motion ware CPM (contacts Passive motion) of limbs joint, can help postoperative patient to resume the activity function of limbs, and the wide application is in lower limbs joint activity, and CPM can help patient to move about the lower limbs passively through the motor, and to eliminating the joint adhesion, promoting the swelling to eliminate, reinforcing cartilage repair etc. has showing the effect.

However, the existing CPM machine provides only passive motion in the sagittal plane direction, and can promote motion in the flexion and extension directions of the hip joint, knee joint and ankle joint, but has no corresponding function for motion in other directions of the lower limb, such as the adduction-abduction direction, i.e., the coronal plane motion. Secondly, the CPM is mainly used for helping patients who cannot move joints autonomously in the early stage after the operation, the application time is in the acute stage after the operation, about 1-2 weeks, and only can help the patients to move joints passively; but postoperative rehabilitation is a long-term process and active joint movement is critical for recovery of limb function.

Disclosure of Invention

In order to solve the technical problem, the present disclosure provides a lower limb rehabilitation training device.

The utility model provides a lower limb rehabilitation training device, which comprises a main body support, a sliding rail component, a connecting component and a foot support component;

the main body support is provided with a slide rail assembly, the slide rail assembly comprises a first slide rail, and the connecting assembly is arranged on the first slide rail;

the connecting assembly comprises a first sliding block and a rotating piece, the first sliding block is in sliding fit with the first sliding rail, and the rotating piece is rotatably connected with the first sliding block; the first sliding block is provided with a limiting piece, and the limiting piece is used for locking the rotating piece at an appointed position;

the foot rest component is arranged on the rotating piece.

Optionally, the foot rest assembly comprises a pedal and a foot rest support; one side of the foot rest support is used for being connected with the rotating part, the other side of the foot rest support is provided with a supporting part perpendicular to the foot rest support, and the supporting part is hinged with the middle part of the pedal, so that the included angle between the pedal and the first sliding rail is adaptive to the included angle between the sole and the first sliding rail.

Optionally, the rotating member is disposed on the limiting member, and a limiting structure is disposed on a contact surface between the rotating member and the limiting member.

Optionally, a cross-shaped limiting groove structure is arranged on the limiting member, one groove channel of the limiting groove structure is parallel to the first slide rail, and the other groove channel of the limiting groove structure is perpendicular to the first slide rail; the rotating piece is provided with a limiting protruding structure matched with the limiting groove structure.

Optionally, a communicated cavity is arranged between the limiting member and the rotating member, a spring is arranged in the cavity, and two ends of the spring are respectively connected with the limiting member and the rotating member; when the limiting groove structure is matched with the limiting protrusion structure, the spring is in a non-compression state.

Optionally, the slide rail assembly further comprises a support portion; the first end of the first sliding rail is hinged with the main body support, the second end of the first sliding rail is connected with the supporting part, and the supporting part is used for controlling the height of the second end of the first sliding rail so as to change the inclination angle of the first sliding rail relative to the main body support.

Optionally, the support portion includes a support arm, a second slider, and a second slide rail; one end of the supporting arm is hinged with the second end of the first sliding rail, and the other end of the supporting arm is hinged with the second sliding block; the second sliding block is in sliding fit with the second sliding rail.

Optionally, a positioning shaft is arranged on the second sliding block, a locking mechanism is arranged on the main body support, the positioning shaft penetrates through the locking mechanism, and the locking mechanism is used for tightly holding the positioning shaft when the second sliding block reaches a preset position.

Optionally, the slide rail assembly further comprises a damping mechanism, the damping mechanism being disposed on the first slide rail; the damping mechanism comprises a damping shaft, a synchronous belt wheel and a damper; synchronous pulley and attenuator coaxial ground set up on the damping axle, and the hold-in range is connected with synchronous pulley transmission, and the hold-in range setting is between two tracks of first slide rail, and first slider fixes on the hold-in range.

Optionally, the damper comprises a pressure block, the damping shaft and the pressure block are coaxially arranged on two sides of the main body support respectively; the damping shaft passes first slide rail, and the outside of main part support is provided with the knob, and the first end and the knob of damping shaft are connected, and the knob is used for adjusting the length of the damping shaft in the main part support to the second end of damping shaft and compresses tightly on the pressure block.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the main body support is provided with the sliding rail assembly, and the connecting assembly is arranged on a first sliding rail of the sliding rail assembly, so that a first sliding block of the connecting assembly can be in sliding fit with the first sliding rail, and further, a foot support assembly arranged on a rotating piece of the connecting assembly is driven to slide along the first sliding rail; wherein, rotate and be connected with first slider rotation, and be provided with the locating part on the first slider, the locating part can be with rotating the locking at appointed training position. The device can be driven by the active movement of the patient's joint; the patient's lower limbs can be trained to actively move in a direction parallel to the sagittal plane of the patient as well as in a direction parallel to the coronal plane of the patient.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the embodiments or technical solutions in the prior art description will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of a lower limb rehabilitation training device according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram illustrating an inclined arrangement of a first sliding rail of the lower limb rehabilitation training device according to the embodiment of the disclosure;

FIG. 3 is a schematic view of a connection assembly according to an embodiment of the present disclosure;

FIG. 4 is a partial schematic view of a damping mechanism according to an embodiment of the disclosure.

Wherein, 1, a main body support; 2. a slide rail assembly; 21. a first slide rail; 22. a support portion; 221. a support arm; 222. a second slider; 223. a second slide rail; 23. a damping mechanism; 231. a damping shaft; 232. a synchronous belt; 233. a synchronous pulley; 234. a flywheel; 235. a pressure block; 3. a connecting assembly; 31. a first slider; 32. a limiting member; 33. a rotating member; 4. a foot rest assembly; 41. a pedal; 42. a foot support.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Referring to fig. 1 and 2, in some embodiments, a lower limb rehabilitation training device includes amain body support 1, asliding rail assembly 2, a connectingassembly 3 and afoot rest assembly 4; themain body support 1 is provided with aslide rail component 2, theslide rail component 2 comprises afirst slide rail 21, and the connectingcomponent 3 is arranged on thefirst slide rail 21; the connectingassembly 3 comprises a first slidingblock 31 and arotating part 33, the first slidingblock 31 is in sliding fit with the first slidingrail 21, and therotating part 33 is rotatably connected with the first slidingblock 31; thefirst slider 31 is provided with alimiting piece 32, and thelimiting piece 32 is used for locking therotating piece 33 at a specified position; thefootrest assembly 4 is disposed on the rotatingmember 33.

Specifically, by providing the connectingassembly 3, thefoot rest assembly 4 can rotate relative to thefirst slide rail 21, and the limitingmember 32 can lock the rotatingmember 33 at a designated training position, so as to fix the angle between thefoot rest assembly 4 and thefirst slide rail 21; thefirst slide rail 21 may have a linear structure or an arc structure. In more detail, during the lower limb exercise using the device, the patient prevents the feet from resting on thefootrest assembly 4, and the first slidingblock 31 is driven to slide on the first slidingrail 21 by the active force applied by the legs.

By adopting the lower limb rehabilitation training device, the patient can actively train the lower limb; thefootrest assembly 4 can be rotated and locked relative to thefirst slide rail 21, so that the lower limb of the patient can move in a direction parallel to the sagittal plane of the patient and in a direction parallel to the coronal plane of the patient, and the aim of training different muscle groups of the lower limb is fulfilled.

In some embodiments, thefoot rest assembly 4 includes apedal 41 and afoot rest mount 42; one side of thefoot rest support 42 is used for being connected with therotating part 33, the other side is provided with a supporting part vertical to thefoot rest support 42, and the supporting part is hinged with the middle part of thepedal 41, so that the included angle between thepedal 41 and thefirst slide rail 21 is adaptive to the included angle between the sole of the foot and thefirst slide rail 21. Specifically, whenfirst slide rail 21 is the linear type, the angle between patient's sole andfirst slide rail 21 constantly changes along with the swing of low limbs, and foretell structure can make the contained angle offootboard 41 andfirst slide rail 21 and the contained angle of sole andfirst slide rail 21 suit, brings better use experience for the patient. In more detail, the above-mentioned hinge point between the support and thepedal 41 should be avoided from being too close to the two ends of thepedal 41, so as to prevent thepedal 41 from having too large an inclination angle with the sliding rail, which may cause damage to the joints and muscles of the patient.

In some embodiments, therotating element 33 is disposed on thelimiting element 32, and a limiting structure is disposed on a contact surface of the rotatingelement 33 and thelimiting element 32. Optionally, a connecting column is arranged on the rotatingpart 33 and is arranged in the column embracing structure of thelimiting part 32, and the rotatingpart 33 rotating to any position can be locked through a thread knob or an elastic structure on the column embracing structure, so that the lower limb of a patient can swing and train in any direction. Optionally, the limiting structure is a limit groove structure shaped like a Chinese character 'mi', and the rotatingmember 33 is provided with a limit protrusion structure matched with the limit groove structure.

As shown in fig. 3, in some embodiments, the limitingmember 32 is provided with a cross-shaped limiting groove structure, one groove channel of the limiting groove structure is parallel to thefirst slide rail 21, and the other groove channel of the limiting groove structure is perpendicular to thefirst slide rail 21; therotating part 33 is provided with a limiting protrusion structure matched with the limiting groove structure. Specifically, through the structure, the pedal 41 can be locked at two positions parallel to and perpendicular to the first slidingrail 21, so that the active movement of the lower limb of the patient in the direction parallel to the sagittal plane of the patient and the active movement of the lower limb of the patient in the direction parallel to the coronal plane of the patient can be trained. Alternatively, the limiting groove may be disposed on the rotatingmember 33, and the corresponding limiting protrusion may be disposed on the limitingmember 32; theposition limiting part 32 and the position limiting protrusion can be arranged between the magnetic attraction matching or a detachable buckle is arranged on the side wall of the connecting position of theposition limiting part 32 and the position limiting protrusion.

In some embodiments, a communicating cavity is disposed between the limitingmember 32 and the rotatingmember 33, a spring is disposed in the cavity, and two ends of the spring are respectively connected to the limitingmember 32 and the rotatingmember 33; when the limiting groove structure is matched with the limiting protrusion structure, the spring is in a non-compression state. Specifically, when the angle of the pedal 41 needs to be adjusted through therotating part 33, therotating part 33 can be pulled up, thepedal 41 is rotated to the position required by training, therotating part 33 is pulled to the limitingpart 32 by the tensile force of the spring, and only the limiting protrusion needs to be placed in the limiting groove. Preferably, when the limiting groove structure is matched with the limiting bulge structure, the spring is in a slightly stretched state; the above arrangement can reduce the vibration between the rotatingmember 33 and the limitingmember 32 during training, and reduce the wear between the rotatingmember 33 and the limitingmember 32.

In some embodiments, theslide rail assembly 2 further comprises asupport portion 22; the first end of thefirst slide rail 21 is hinged to themain body support 1, the second end of thefirst slide rail 21 is connected to thesupport portion 22, and thesupport portion 22 is used for controlling the height of the second end of thefirst slide rail 21 so as to change the inclination angle of thefirst slide rail 21 relative to themain body support 1. Specifically, the strength of training can be improved by improving the inclination angle of thefirst slide rail 21, different muscle groups and joints are mainly trained at the same time, and the training requirements of patients in different rehabilitation stages are met.

In some embodiments, thesupport portion 22 includes asupport arm 221, asecond slider 222, and asecond slide rail 223; one end of the supportingarm 221 is hinged with the second end of thefirst slide rail 21, and the other end is hinged with thesecond slider 222; thesecond slider 222 is slidably engaged with thesecond slide rail 223. Preferably, a mounting seat is arranged between thesupport arm 221 and thefirst slide rail 21, so that thesupport arm 221 is prevented from being directly hinged to thefirst slide rail 21. Specifically, thesecond slide rail 223 may be two rails parallel to each other, or may be a rod-shaped structure passing through thesecond slider 222.

In some embodiments, thesecond slider 222 is provided with a positioning shaft, and themain body support 1 is provided with a locking mechanism, wherein the positioning shaft passes through the locking mechanism, and the locking mechanism is used for holding the positioning shaft when thesecond slider 222 reaches a preset position. Specifically, the locking mechanism can fix the position of thesecond slider 222 on thesecond slide rail 223 through the fixed positioning shaft, so as to fix the angle of thesupport arm 221, and prevent the inclination angle of thefirst slide rail 21 from changing when the patient performs the lower limb rehabilitation training. Alternatively, the locking mechanism may also be directly disposed on the second slidingblock 222, and when the second slidingrail 223 is of a rod-like structure, the locking mechanism on the second slidingblock 222 may be directly used to hug the second slidingrail 223, so as to fix the inclination angle of the first slidingrail 21.

As shown in fig. 4, in some embodiments, theslide rail assembly 2 further comprises a dampingmechanism 23, the dampingmechanism 23 being disposed on thefirst slide rail 21; the dampingmechanism 23 includes a dampingshaft 231, a timing belt 232, a timingpulley 233, and a damper; thesynchronous pulley 233 and the damper are coaxially disposed on the dampingshaft 231, the synchronous belt 232 is in transmission connection with thesynchronous pulley 233, the synchronous belt 232 is disposed between the two rails of thefirst slide rail 21, and thefirst slider 31 is fixed on the synchronous belt 232. Preferably, the damper is used to provide one-way damping; specifically, the synchronous belt 232 and thesynchronous belt wheel 233 are connected with thefoot rest assembly 4, when the foot rest retracts backwards, the dampingshaft 231 rotates reversely to release damping force, the motion is an empty load, and when the foot rest extends forwards, the dampingshaft 231 rotates forwardly to perform damping load motion; the above-mentioned single-term damping can also be set up reversely, namely when the foot rest retracts backwards, make the damped load movement; when the foot support extends forwards, the damping load movement is carried out.

In some embodiments, the damper includes apressure block 235, and the dampingshaft 231 and the pressure block 235 are coaxially disposed at both sides of themain body support 1, respectively; the dampingshaft 231 penetrates through thefirst slide rail 21, a knob is arranged on the outer side of themain body support 1, a first end of the dampingshaft 231 is connected with the knob, and the knob is used for adjusting the length of the dampingshaft 231 in themain body support 1 until a second end of the dampingshaft 231 is pressed on thepressure block 235. Preferably, the damper further includes aflywheel 234, and theflywheel 234 can be used as asynchronous pulley 233, that is, an outer ring of theflywheel 234 is engaged with the synchronous belt 232, and an inner ring of theflywheel 234 is provided with a coulomb damping member or an elastic damping member. In more detail, the length of the dampingshaft 231 can be controlled by rotating the knob, and further the distance between the dampingshaft 231 or theflywheel 234 and the pressure block 235 can be controlled, and after the dampingshaft 231 or theflywheel 234 is in contact with thepressure block 235, the pressure between the dampingshaft 231 or theflywheel 234 and the pressure block 235 can be adjusted by rotating the knob, so that the purpose of adjusting the damping is achieved.

In the description of the embodiments of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present disclosure and for simplification of description, but do not indicate or imply that the structures or devices referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the embodiments of the present disclosure.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description is only for the purpose of describing particular embodiments of the present disclosure, so as to enable those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The lower limb rehabilitation training device is characterized by comprising a main body support (1), a sliding rail component (2), a connecting component (3) and a foot support component (4);

the main body support (1) is provided with the slide rail assembly (2), the slide rail assembly (2) comprises a first slide rail (21), and the connecting assembly (3) is arranged on the first slide rail (21);

the connecting assembly (3) comprises a first sliding block (31) and a rotating piece (33), the first sliding block (31) is in sliding fit with the first sliding rail (21), and the rotating piece (33) is in rotating connection with the first sliding block (31); the first sliding block (31) is provided with a limiting piece (32), and the limiting piece (32) is used for locking the rotating piece (33) at a specified position;

the foot rest assembly (4) is arranged on the rotating piece (33).

2. The lower limb rehabilitation training device of claim 1, wherein the foot rest assembly (4) comprises a pedal (41) and a foot rest support (42); one side of foot support (42) be used for with rotate piece (33) and connect, the opposite side be provided with foot support (42) vertically support piece, support piece with the middle part of footboard (41) is articulated, so that footboard (41) with the contained angle and the sole of first slide rail (21) with the contained angle self-adaptation of first slide rail (21).

3. The lower limb rehabilitation training device of claim 1, wherein the rotating part (33) is arranged on the limiting part (32), and a limiting structure is arranged on the contact surface of the rotating part (33) and the limiting part (32).

4. The lower limb rehabilitation training device of claim 3, wherein the limiting member (32) is provided with a cross-shaped limiting groove structure, one groove channel of the limiting groove structure is parallel to the first slide rail (21), and the other groove channel of the limiting groove structure is perpendicular to the first slide rail (21); the rotating part (33) is provided with a limiting protruding structure matched with the limiting groove structure.

5. The lower limb rehabilitation training device of claim 4, wherein a communicated cavity is arranged between the limiting piece (32) and the rotating piece (33), a spring is arranged in the cavity, and two ends of the spring are respectively connected with the limiting piece (32) and the rotating piece (33); when the limiting groove structure is matched with the limiting protrusion structure, the spring is in a non-compression state.

6. The lower limb rehabilitation training device of claim 1, wherein the sliding rail assembly (2) further comprises a support portion (22); the first end of the first sliding rail (21) is hinged to the main body support (1), the second end of the first sliding rail (21) is connected with the supporting portion (22), and the supporting portion (22) is used for controlling the height of the second end of the first sliding rail (21) so as to change the inclination angle of the first sliding rail (21) relative to the main body support (1).

7. The lower limb rehabilitation training device of claim 6, wherein the support portion (22) comprises a support arm (221), a second slider (222) and a second slide rail (223); one end of the supporting arm (221) is hinged with the second end of the first sliding rail (21), and the other end of the supporting arm is hinged with the second sliding block (222); the second sliding block (222) is in sliding fit with the second sliding rail (223).

8. The lower limb rehabilitation training device of claim 7, wherein the second sliding block (222) is provided with a positioning shaft, the main body support (1) is provided with a locking mechanism, and the positioning shaft penetrates through the locking mechanism, and the locking mechanism is used for holding the positioning shaft when the second sliding block (222) reaches a preset position.

9. The lower limb rehabilitation training device of any one of claims 1 to 8, wherein the sliding rail assembly (2) further comprises a damping mechanism (23), and the damping mechanism (23) is arranged on the first sliding rail (21); the damping mechanism (23) comprises a damping shaft (231), a synchronous belt (232), a synchronous belt wheel (233) and a damper; synchronous pulley (233) with the attenuator sets up coaxially on damping shaft (231), hold-in range (232) with synchronous pulley (233) transmission is connected, hold-in range (232) set up between two tracks of first slide rail (21), just first slider (31) are fixed on hold-in range (232).

10. The lower limb rehabilitation training device of claim 9, wherein the damper comprises a pressure block (235), and the damping shaft (231) and the pressure block (235) are coaxially disposed on both sides of the main body support (1), respectively; the damping shaft (231) penetrates through the first sliding rail (21), a knob is arranged on the outer side of the main body support (1), the first end of the damping shaft (231) is connected with the knob, and the knob is used for adjusting the length of the damping shaft (231) in the main body support (1) to the second end of the damping shaft (231) to be pressed on the pressure block (235).

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